1984500

素因数分解:

$2^2\times 3^4\times 5^3\times 7^2$

素因数の和:45

約数の個数: 180

約数和(自身を含む): 7531524

約数和(自身を除く): 5547024

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 49, 50, 54, 60, 63, 70, 75, 81, 84, 90, 98, 100, 105, 108, 125, 126, 135, 140, 147, 150, 162, 175, 180, 189, 196, 210, 225, 245, 250, 252, 270, 294, 300, 315, 324, 350, 375, 378, 405, 420, 441, 450, 490, 500, 525, 540, 567, 588, 630, 675, 700, 735, 750, 756, 810, 875, 882, 900, 945, 980, 1050, 1125, 1134, 1225, 1260, 1323, 1350, 1470, 1500, 1575, 1620, 1750, 1764, 1890, 2025, 2100, 2205, 2250, 2268, 2450, 2625, 2646, 2700, 2835, 2940, 3150, 3375, 3500, 3675, 3780, 3969, 4050, 4410, 4500, 4725, 4900, 5250, 5292, 5670, 6125, 6300, 6615, 6750, 7350, 7875, 7938, 8100, 8820, 9450, 10125, 10500, 11025, 11340, 12250, 13230, 13500, 14175, 14700, 15750, 15876, 18375, 18900, 19845, 20250, 22050, 23625, 24500, 26460, 28350, 31500, 33075, 36750, 39690, 40500, 44100, 47250, 55125, 56700, 66150, 70875, 73500, 79380, 94500, 99225, 110250, 132300, 141750, 165375, 198450, 220500, 283500, 330750, 396900, 496125, 661500, 992250, 1984500]

約数ペア:

[(1, 1984500), (2, 992250), (3, 661500), (4, 496125), (5, 396900), (6, 330750), (7, 283500), (9, 220500), (10, 198450), (12, 165375), (14, 141750), (15, 132300), (18, 110250), (20, 99225), (21, 94500), (25, 79380), (27, 73500), (28, 70875), (30, 66150), (35, 56700), (36, 55125), (42, 47250), (45, 44100), (49, 40500), (50, 39690), (54, 36750), (60, 33075), (63, 31500), (70, 28350), (75, 26460), (81, 24500), (84, 23625), (90, 22050), (98, 20250), (100, 19845), (105, 18900), (108, 18375), (125, 15876), (126, 15750), (135, 14700), (140, 14175), (147, 13500), (150, 13230), (162, 12250), (175, 11340), (180, 11025), (189, 10500), (196, 10125), (210, 9450), (225, 8820), (245, 8100), (250, 7938), (252, 7875), (270, 7350), (294, 6750), (300, 6615), (315, 6300), (324, 6125), (350, 5670), (375, 5292), (378, 5250), (405, 4900), (420, 4725), (441, 4500), (450, 4410), (490, 4050), (500, 3969), (525, 3780), (540, 3675), (567, 3500), (588, 3375), (630, 3150), (675, 2940), (700, 2835), (735, 2700), (750, 2646), (756, 2625), (810, 2450), (875, 2268), (882, 2250), (900, 2205), (945, 2100), (980, 2025), (1050, 1890), (1125, 1764), (1134, 1750), (1225, 1620), (1260, 1575), (1323, 1500), (1350, 1470)]